A NEW IN-LABORATORY METHOD TO MAKE HOMOGENEOUS CLAYEY SAMPLES AND THEIR MECHANICAL PROPERTIES

概要

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For the purpose of making reproducible and homogeneous clayey samples, a new method using artificial sedimentation from a diluted soil-water mixture is proposed. The quality of the samples made from the mixtures with widely varying water content was first investigated for sample homogeneity. Then the mechanical characteristics of the samples were investigated for one-dimensional consolidation and undrained triaxial compression tests. The results showed the following : (1) The high degree of homogeneity can successfully be obtained so long as the water content of the dilute mixture is within a certain range, (2) The compressibility and the permeability strongly depend on the mixture's water content, (3) The triaxial shear behaviour hardly depends on the mixture's water content except for when it is as low as the mixture is in a plastic state.
社団法人地盤工学会の論文
1994-06-15